Home / 519,127.04-778,721.34-145,150.04

Finding the Fourth Proportional to 519,127.04, 778,721.34 and 145,150.04

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Solution

The fourth proportional to 519,127.04, 778,721.34 and 145,150.04 is: 217,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,127.04 : 778,721.34 = 145,150.04 : x
  2. Step 2: Convert to fraction form
    519,127.04/778,721.34 = 145,150.04/x
  3. Step 3: Cross multiply
    519,127.04x = 778,721.34 × 145,150.04
  4. Step 4: Simplify right side
    519,127.04x = 113,031,433,649.85
  5. Step 5: Solve for x
    x = 113,031,433,649.85/519,127.04
  6. Step 6: Final answer
    x = 217,733.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.